Possible Clues:

• Get-upping?
• A lad wearing aftershave is going up in the world
• Another term for a rising sign, in astrology
• Heading for summit and can set out
• On the up
• Growing in influence
• Rising when American's ready, embracing and moving
• Like jargon about final aim that's gaining influence
• Rising in power while insincerity covers butt
• Increasingly powerful